Midas Blenny
Golden eel-like body, bright blue eyes, and a face that follows you across the room.
A brilliant gold blenny with striking blue eye rings that swims in open water like an anthias rather than perching like most blennies. Hardy, long-lived, full of personality, and completely coral-safe — one of the easiest character fish to recommend for a reef.
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What it needs to thrive
- Lighting
- Any standard reef lighting — no special requirements.
- Flow
- Moderate reef flow with calm resting zones.
- Feeding
- Omnivore — algae-based pellets and nori plus meaty frozen foods twice daily.
- Temperament
- Peaceful and reef safe; territorial only toward similar blennies.
- Difficulty
- Beginner
- Ideal Tank Size
- 30 gallons and up with plenty of rockwork.
- Water Parameters
- 76–80°F · salinity 1.024–1.026 SG · pH 8.1–8.4 · 0 ammonia / 0 nitrite · nitrate under 10 ppm
Rockwork with caves and crevices it can back into, plus open water for swimming.
Peaceful and reef safe. Can squabble with other blennies — keep one per tank unless the system is large.
Quarantine, dip, and acclimation
Quarantine
Hold all new fish in a bare-bottom 10–20 gallon QT for a minimum of 4 weeks. Observe for flashing, clamped fins, white spots, or breathing changes. Treat preventatively with copper (1.75–2.5 ppm chelated) or tank-transfer method for ich, plus a praziquantel course for flukes. Invertebrates and corals skip QT but go through dip and observation instead.
Recommended coral dip
For every new coral: a 5–10 minute bath in your reef-safe dip of choice (Bayer Complete, CoralRx, or Reef Primer) following label dosage, followed by two clean saltwater rinses. Inspect plugs and bases for flatworms, pyramid snails, and eggs — remove or refrag onto clean plugs before placing in display.
Acclimation
Float sealed bags in your QT or display for 15 minutes to match temperature. Then drip acclimate at 2–4 drops per second for 45–60 minutes until volume has tripled. Net livestock into the tank — never pour shipping water in. Dim the lights for the first 24 hours to reduce stress.
